Climate & Radiation Branch Seminar Series, Jun Wang, Assistant Professor

Department of Earth and Atmospheric Sciences, University of Nebraska – Lincoln

This presentation will demonstrate the value of satellite data, especially geostationary satellite data, for the improved understanding of aerosol transport and aerosol impact on climate. High interest is put at the regional scale because (i) the variation of aerosol properties are generally confined within mesoscale-to-synoptic scale, which lead to large uncertainties in regional climate prediction, and (ii) our strategy to reduce the adverse impact of aerosols on air quality and climate change has to be started and eventually implemented at regional scale.  Given that satellite retrieval has always been an ill-posed inverse problem, an integrated approach should be emphasized for combining satellite data with chemistry transport models (CTMs). This talk will argue that, for the physical consistence and radiative closure, a CTM should be fundamentally constrained by the satellite-measured radiances. Results form our integrated analysis will be shown, ranging from the enhanced quantification of aerosol emission, long-range transport, and surface particulate matter to the conceptual explanation of aerosol-related severe weather phenomena.  Finally, an outlook will be elaborated on the use of this integrated approach for the re-analysis of atmospheric composition and the design of future satellite missions (such as GEO-CAPE, GOES-R, and ACE) with Observing System Simulation Experiments (OSSE).
Branch Seminar Series Coordinators: